Percent composition by mass is calculated (mass of element within compound)/(mass of compound)*100. The lower the total molar mass of the compound, the greater the percent composition of sulfur. In this case, MgS would be that compound, since Mg has the lowest molar mass of the four elements bonded to S.
Answer:
There is NO cure for Down Syndrome
Explanation:
Down syndrome cannot be cured. Early treatment programs can help improve skills. They may include speech, physical, occupational, and/or educational therapy. With support and treatment, many people with Down syndrome live happy, productive lives
A formation equation shows how 2 or more elements or compounds react and form another new compound. Some compounds are formed from combining metals and non-metals, from both non-metals, etc.
Answer:
A
Explanation:
Says it on the side of meh screen :P
(Ez question in lol)
